Plus, quote boosts dis-intergate if one quote shares a toot from a user or instance federated from one's own instance. And The current ActivityPub spec (the foundation for social media interaction far beyond Mastodon too) may not support quote shares in a way that keeps moderation controls intact, or in fact a quoted toot intact with the comment on it.
@davidaugust @Gargron again. Either someone figures how to make it work, takes the risks involved in any kind of alteration, or the experience becomes flattened and the UX is actually prohibitive. In addition to obstructing the sharing of real world information. There are so many reasons. And "pleasant discourse" is just another conservative dogwhistle a ton of "liberals" use to suppress dissent.